British scientists say they’re concerned after learning the COVID-19 variant first detected in the U.K. has mutated again, which could make vaccines less effective. CBS News visited a lab genetically mapping COVID-19 to understand these new variants. Roxana Saberi reports. Source

Mixed trial results have left doubt over the efficacy of China’s “CoronaVac” vaccine, but while Turks have low trust, they also have no options. Source

Joe DiMeo had the surgery in New York in August. It was only the third one ever tried — and the first that appears to have been a success. Source

President Biden on Tuesday signed three executive orders on immigration, including one that creates a task force to begin reuniting more than 600 children who were separated from their parents under the Trump administration. The orders came as the U.S. Senate voted to confirm Alejandro Mayorkas, 56-43, to lead the Department of Homeland Security. Weijia Jiang reports. Source

Language barriers, lack of internet access and guidance within minority communities has kept some of Los Angeles’ most vulnerable from receiving COVID-19 vaccines. David Begnaud reports on the relentless efforts of one South Los Angeles hospital to direct every available vial to their own underserved community. Source

Two FBI agents were fatally shot while serving a warrant in a child exploitation case in South Florida. Also, the federal government will start shipping a million COVID-19 vaccine doses directly to pharmacies nationwide per week. All that and all that matters in today’s Eye Opener. Your world in 90 seconds. Source

Oxford/AstraZeneca trial data is first to suggest a vaccine prevents asymptomatic infection, which the U.K.’s leader calls an “absolutely superb” development. Source

Laura Schwartzenberger and Daniel Alfin both specialized in investigating crimes against children. Source

Turkey has launched its mass-vaccination drive, focusing first on health workers, but as CBS News producer Pinar Sevinclidir reports, confidence in the only vaccine available in the country, a Chinese product, is low after mixed trial results. Source

Treasury Secretary Janet Yellen has talked about climate change both in her confirmation hearings and to leaders in Italy, Japan, Canada, France, Germany and the United Kingdom. Source